* Ay: This is an interjection used to express surprise, pain, or sadness in Spanish. It's similar to "Oh" or "Ouch" in English.
* You dices: This is a misspelling of "You dice." Dice is a plural noun referring to small cubes used in games.
* Ke tal: This is a Spanish phrase meaning "how are you?" or "what's up?"
It's possible that the phrase was meant to be:
* "Hey, you guys, what's up?"
* "Hey, you guys, how are you?"
Without more context, it's difficult to know for sure what the intended meaning was.